Home / 891,552.56-1,230,342.52-509,587.54

Finding the Fourth Proportional to 891,552.56, 1,230,342.52 and 509,587.54

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Solution

The fourth proportional to 891,552.56, 1,230,342.52 and 509,587.54 is: 703,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,552.56 : 1,230,342.52 = 509,587.54 : x
  2. Step 2: Convert to fraction form
    891,552.56/1,230,342.52 = 509,587.54/x
  3. Step 3: Cross multiply
    891,552.56x = 1,230,342.52 × 509,587.54
  4. Step 4: Simplify right side
    891,552.56x = 626,967,218,124.20
  5. Step 5: Solve for x
    x = 626,967,218,124.20/891,552.56
  6. Step 6: Final answer
    x = 703,230.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.